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Shinji Otaki
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Hamamatsu-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Sound source circuit and telephone terminal using same
Patent number
7,067,731
Issue date
Jun 27, 2006
Yamaha Corporation
Kiyoshi Yamaki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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last 30 patents
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Patent Application
Sound source circuit and telephone terminal comprising thereof
Publication number
20030110928
Publication date
Jun 19, 2003
Kiyoshi Yamaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE